SciShow
How Rain Might Make Mountains Grow
Geologists have a few ideas as to how rain affects mountains. But could rain also help mountains grow?
Crash Course
Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology
We used to think that the human brain was a lot like a computer; using logic to figure out complicated problems. It turns out, it's a lot more complex and, well, weird than that. In this episode of Crash Course Psychology, Hank discusses...
SciShow Kids
Teeth Not Just for Smiles!
Learn all about teeth! What kinds we have, how they help us, and how human teeth are different from other animals!
Crash Course
What are the Patterns of Border Conflicts? Crash Course Geography
Today, we’re going to take a closer look at borders and the stories they tell. When we look at a map, the shapes we’re seeing can seem so permanent, but a map is just a snapshot of the Earth at a particular time, and by looking a...
TED Talks
Robert Gupta: Music is medicine, music is sanity
Robert Gupta, violinist with the LA Philharmonic, talks about a violin lesson he once gave to a brilliant, schizophrenic musician -- and what he learned. Called back onstage later, Gupta plays his own transcription of the prelude from...
SciShow
The Science Behind Football's First-Down Line
If you’ve watch American football on television, you may have wondered how they make that yellow first down line look like it’s actually down on the field.
TED Talks
Jonathan Haidt: Religion, evolution, and the ecstasy of self-transcendence
Psychologist Jonathan Haidt asks a simple, but difficult question: why do we search for self-transcendence? Why do we attempt to lose ourselves? In a tour through the science of evolution by group selection, he proposes a provocative...
SciShow
The Oldest Fossils Ever Found!
Scientists have found fossils that show life appearing on Earth much earlier than we thought. Meanwhile, could there be a new fundamental force?
TED-Ed
TED-Ed: The uncertain location of electrons - George Zaidan and Charles Morton
The tiny atoms that make up our world are made up of even tinier protons, neutrons and electrons. Though the number of protons determines an atom's identity, it's the electrons -- specifically, their exact location outside the nucleus --...
TED Talks
Robert Lang: The math and magic of origami
Robert Lang is a pioneer of the newest kind of origami -- using math and engineering principles to fold mind-blowingly intricate designs that are beautiful and, sometimes, very useful.
TED Talks
Daphne Bavelier: Your brain on video games
How do fast-paced video games affect the brain? Step into the lab with cognitive researcher Daphne Bavelier to hear surprising news about how video games, even action-packed shooter games, can help us learn, focus and, fascinatingly,...
TED-Ed
TED-ED: Is our climate headed for a mathematical tipping point? - Victor J. Donnay
Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth's temperature by even two degrees could lead to catastrophic effects across the world. But how can such a tiny, measurable change in one factor lead to...
SciShow Kids
Make a Balloon Rocket
This week, experiment with balloons and learn how you can make your very own rocket with Jessi and Squeaks!
SciShow
Does a Bigger Brain Make You Smarter?
In some cartoons, the one with a bigger brain is often described as "smart," but is it true in real life?
PBS
Can We Hear Shapes?
Mathematician Mark Kac asked the question "Can we hear the shape of a drum?" It was a question that took over 20 years to answer. Sine waves, fundamental frequencies, eigenvalues, this episode has got it all!
SciShow
4 Weird Unsolved Mysteries of Math
There are lots of unsolved mysteries in the world of math, and many of them start off with a deceptively simple premise, like: What's the biggest couch you can slide around a 90-degree corner? Chapters MOVING SOFA PROBLEM 0:35 MOSER'S...
Crash Course
Orbitals: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds....
Crash Course
Crash Course Navigating Digital Information Preview
In which John Green previews the new Crash Course on Navigating Digital Information! We've partnered with MediaWise, The Poynter Institute, and The Stanford History Education Group to teach a course in hands-on skills to evaluate the...
SciShow
5 Robots You Can Hug
Developers are working to make softer, squishier robots that are flexible enough to maneuver in extreme environments, including inside the human body!
TED Talks
Peter Reinhart: The art and craft of bread
Batch to batch, crust to crust ... In tribute to the beloved staple food, baking master Peter Reinhart reflects on the cordial couplings (wheat and yeast, starch and heat) that give us our daily bread. Try not to eat a slice.
TED Talks
TED: 7 principles for building better cities | Peter Calthorpe
More than half of the world's population already lives in cities, and another 2.5 billion people are projected to move to urban areas by 2050. The way we build new cities will be at the heart of so much that matters, from climate change...
PBS
Why is the Earth Round and the Milky Way Flat?
Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules...
TED Talks
Xavier Vilalta: Architecture at home in its community
When TED Fellow Xavier Vilalta was commissioned to create a multistory shopping mall in Addis Ababa, he panicked. Other centers represented everything he hated about contemporary architecture: wasteful, glass towers requiring tons of...
SciShow
SciShow Quiz Show: A Different Kind of Animal Wonders
Jessi from Animal Wonders gets a Quiz Show rematch against Hank. Will he prevail this time, or commit an animal blunder?